/*
 * The contents of this web application are subject to the Mozilla Public License Version 
 * 1.1 (the "License"); you may not use this web application except in compliance with 
 * the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/.
 * 
 * Software distributed under the License is distributed on an "AS IS" basis, 
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 
 * for the specific language governing rights and limitations under the License.
 * 
 * The Original Code is owned by and the Initial Developer of the Original Code is 
 * Composite A/S (Danish business reg.no. 21744409). All Rights Reserved
 * 
 * Section 11 of the License is EXPRESSLY amended to include a provision stating 
 * that any dispute, including but not limited to disputes related to the enforcement 
 * of the License, to which Composite A/S as owner of the Original Code, as Initial 
 * Developer or in any other role, becomes a part to shall be governed by Danish law 
 * and be initiated before the Copenhagen City Court ("K�benhavns Byret")            
 */

using System;
using System.Linq;
using System.Text.RegularExpressions;
using System.Xml.Linq;
using Composite.Core.Xml;

namespace Composite.Forms.FormSubmitHandler
{
	public class Helper
	{
		private static readonly XNamespace ns = Namespaces.Xhtml;
		private static Func<XElement, bool> isSubmitInput = i => i.Attribute("type") != null && (i.Attribute("type").Value.ToLower() == "submit" || i.Attribute("type").Value.ToLower() == "image");
		
		internal static void ReplaceFormTagByDivTag(XElement document)
		{
			foreach (var form in document.DescendantsAndSelf(ns + "form"))
			{
				form.Name = ns + "div";
			}
		}


		internal static void SetNameForSubmitButtons(string name, XElement document)
		{
			foreach (var submit in document.Descendants(ns + "input").Where(isSubmitInput))
			{
				submit.SetAttributeValue("name", name);
			}
		}

		internal static string ToValidIndefiniter(string name)
		{
			return Regex.Replace(name, @"[^\w\d_]*", "");
		}
	}
}